Inthenewcentury,peopleuse“smartclothes”notonlyforcoveri...
问题详情：Inthenewcentury,peopleuse“smartclothes”notonlyforcoveringtheirbodies,butalsoformanyotherkindsofuses.Somekindsofsmartclothescomeintothemarker.AGermanclothingmakerinventedthe“MP3bluejacket”....